Absolute Maximum Ratings

Characteristics

min

typ

max

Unit

TP1

Operating Temperature (see Thermal Consideration section)

-40

+125

°C

TS

Storage temperature

-55

+125

°C

VI

Input voltage

-0.5

+80

V

Cout

Output capacitance

100

µF

Viso

Isolation voltage (input to output test voltage)

2250

Vdc

Viso

Isolation voltage (input to baseplate qualification test voltage)

1500

Vdc

Viso

Isolation voltage (baseplate to output qualification test voltage)

750

Vdc

Vtr

Input voltage transient according to ETSI EN 300 132-2 and Telcordia GR-1089-CORE

100

V

VRC

Remote Control pin voltage

(see Operating Information section)

Positive logic option

-0.5

6

V

Negative logic option

-0.5

6

V

Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the

device at these or any other conditions above those indicated in the Electrical Specification section of this specification is not implied. Exposure to absolute

maximum rating conditions for extended periods may affect device reliability.

Fundamental Circuit Diagram

PKB4000D series Fully regulated DC-DC Converters

Input 36-75 V, Output up to 25 A / 300 W

28701-BMR674 01 Rev G

July 2019

© Flex

Technical Specification

4